Nonhazardous

adj. calm, resilient professional

What it means

Not posing a danger under expected conditions.

Reach for it when classifying material or activity as outside a specified hazard category

Staff separated the nonhazardous materials for routine recycling.

Words to choose between 6

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
professional
formal
literary
  • everyday

    non-dangerous

    Fits when plain language should deny a particular danger

    Careful The phrase needs the danger and conditions named.

  • everyday

    safe

    Fits when ordinary use presents acceptably low risk

    Careful A nonhazardous classification does not mean universally safe.

  • professional

    low-risk

    Fits when some risk remains but is comparatively small

    Careful Low risk does not confer a regulatory classification.

  • professional

    unregulated

    Fits when the material falls outside a named rule

    Careful Unregulated never proves harmlessness.

  • formal

    benign

    Fits when the likely effect is mild or harmless

    Careful Benign can understate disposal or exposure concerns.

  • literary

    innocuous

    Fits when an apparently harmless quality is being described

    Careful Innocuous is impressionistic rather than technical.

Opposites 3

  • hazardous
  • dangerous
  • toxic

Common phrases 3

  • nonhazardous waste

    The lab separated nonhazardous waste from solvent containers.

  • classified as nonhazardous

    Testing classified the dry material as nonhazardous for transport.

  • nonhazardous material

    Each nonhazardous material still received a disposal label.

Usage notes

Keep in mind

Nonhazardous is always classification- and jurisdiction-specific; it does not remove ordinary handling or disposal duties.

Definitions and examples are written for this site. How words are chosen Updated